2009 Mercedes-Benz SL vs. 2011 Audi R8
To start off, 2011 Audi R8 is newer by 2 year(s). Which means there will be less support and parts availability for 2009 Mercedes-Benz SL. In addition, the cost of maintenance, including insurance, on 2009 Mercedes-Benz SL would be higher. At 5,980 cc (12 cylinders), 2009 Mercedes-Benz SL is equipped with a bigger engine. In terms of performance, 2009 Mercedes-Benz SL (605 HP) has 185 more horse power than 2011 Audi R8. (420 HP). In normal driving conditions, 2009 Mercedes-Benz SL should accelerate faster than 2011 Audi R8.
Because 2011 Audi R8 is all wheel drive (AWD), it will have significant more traction and grip than 2009 Mercedes-Benz SL. In wet, icy, snow, or gravel driving conditions, 2011 Audi R8 will offer significantly more control. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2009 Mercedes-Benz SL (1,000 Nm) has 570 more torque (in Nm) than 2011 Audi R8. (430 Nm). This means 2009 Mercedes-Benz SL will have an easier job in driving up hills or pulling heavy equipment than 2011 Audi R8. 2011 Audi R8 has automatic transmission and 2009 Mercedes-Benz SL has manual transmission. 2009 Mercedes-Benz SL will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2011 Audi R8 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Mercedes-Benz SL | 2011 Audi R8 | |
| Make | Mercedes-Benz | Audi |
| Model | SL | R8 |
| Year Released | 2009 | 2011 |
| Body Type | Convertible | Convertible |
| Engine Position | Front | Middle |
| Engine Size | 5980 cc | 4200 cc |
| Engine Cylinders | 12 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 3 valves | 4 valves |
| Horse Power | 605 HP | 420 HP |
| Torque | 1000 Nm | 430 Nm |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | AWD |
| Transmission Type | Manual | 6-speed automated manual |
| Number of Seats | 2 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Length | 4540 mm | 4435 mm |
| Vehicle Width | 1820 mm | 1905 mm |
| Vehicle Height | 1300 mm | 1245 mm |
| Wheelbase Size | 2570 mm | 2649 mm |
| Fuel Consumption Highway | 13.1 L/100km | 11.8 L/100km |
| Fuel Consumption City | 21.4 L/100km | 21.4 L/100km |
| Fuel Tank Capacity | 80 L | 90 L |
